TW200623102A - Optical disc and optical disc device - Google Patents

Optical disc and optical disc device

Info

Publication number
TW200623102A
TW200623102A TW094121261A TW94121261A TW200623102A TW 200623102 A TW200623102 A TW 200623102A TW 094121261 A TW094121261 A TW 094121261A TW 94121261 A TW94121261 A TW 94121261A TW 200623102 A TW200623102 A TW 200623102A
Authority
TW
Taiwan
Prior art keywords
layer
optical disc
recording
recording layer
laser beam
Prior art date
Application number
TW094121261A
Other languages
English (en)
Inventor
Masato Otsuka
Toshihiro Sugaya
Original Assignee
Memory Tech Corp
Toshiba Kk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Memory Tech Corp, Toshiba Kk filed Critical Memory Tech Corp
Publication of TW200623102A publication Critical patent/TW200623102A/zh

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
TW094121261A 2004-09-27 2005-06-24 Optical disc and optical disc device TW200623102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004279847A JP2006092702A (ja) 2004-09-27 2004-09-27 光ディスク、光ディスク装置

Publications (1)

Publication Number Publication Date
TW200623102A true TW200623102A (en) 2006-07-01

Family

ID=35500995

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094121261A TW200623102A (en) 2004-09-27 2005-06-24 Optical disc and optical disc device

Country Status (6)

Country Link
US (1) US7688702B2 (zh)
EP (1) EP1640982A3 (zh)
JP (1) JP2006092702A (zh)
KR (1) KR20060051131A (zh)
CN (1) CN100466078C (zh)
TW (1) TW200623102A (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006164325A (ja) * 2004-12-02 2006-06-22 Memory Tec Kk 光ディスク、光ディスク装置、光ディスク再生方法、デジタル作品出版物
JP2006164366A (ja) * 2004-12-06 2006-06-22 Toshiba Corp 光ディスク、光ディスク装置、光ディスク再生方法
JP2007080303A (ja) * 2005-09-09 2007-03-29 Toshiba Corp 情報記録媒体および光ディスク装置
CN101421788B (zh) * 2006-04-13 2011-01-19 日本先锋公司 信息重放装置和方法
KR20110014140A (ko) * 2008-05-14 2011-02-10 엘지전자 주식회사 데이터 장기 저장용 기록 매체, 기록 방법 및 기록 장치, 그리고 재생 방법 및 재생 장치

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH056571A (ja) 1991-06-28 1993-01-14 Pioneer Electron Corp 光学式情報記録媒体
JP3008819B2 (ja) 1995-05-31 2000-02-14 日本ビクター株式会社 光ディスク
ES2195004T3 (es) * 1995-09-08 2003-12-01 Koninkl Philips Electronics Nv Soporte de informacion, optico, de multiples capas.
KR100242129B1 (ko) 1997-06-18 2000-02-01 윤종용 복수 규격을 만족하는 광 디스크
US6931654B1 (en) * 1997-08-30 2005-08-16 Samsung Electronics Co., Ltd. Hybrid disc and method and apparatus for discriminating same
KR19990020314A (ko) 1997-08-30 1999-03-25 윤종용 서로다른 기록밀도의 다수의 기록면을 가지는 디스크와 디스크 판별방법과 디스크 재생장치
JP3968485B2 (ja) 1998-04-09 2007-08-29 ソニー株式会社 マルチレイヤーディスク再生装置、及びマルチレイヤーディスク再生方法
JPH11328735A (ja) 1998-05-13 1999-11-30 Sony Corp 光ディスクとこれを利用した光学ピックアップ
CN1188842C (zh) * 1998-10-02 2005-02-09 索尼公司 重放光盘的装置和方法
GB9906762D0 (en) 1999-03-25 1999-05-19 Philips Electronics Nv Optical disc player
US6650612B1 (en) * 1999-03-31 2003-11-18 Matsushita Electric Industrial Co., Ltd. Optical head and recording reproduction method
JP4192373B2 (ja) 1999-12-10 2008-12-10 日本ビクター株式会社 光ディスク
JP2002257134A (ja) 2001-02-28 2002-09-11 Nsk Ltd スイングアーム用転がり軸受ユニットとその製造方法
JP3867589B2 (ja) * 2002-02-22 2007-01-10 ソニー株式会社 光学記録媒体の初期化方法
JP2004013947A (ja) * 2002-06-04 2004-01-15 Victor Co Of Japan Ltd 情報記録担体、再生装置、記録装置、記録再生装置、再生方法、記録方法及び記録再生方法
JP2004071046A (ja) 2002-08-06 2004-03-04 Ricoh Co Ltd 光学的多層情報記録ディスクおよび光ピックアップ装置ならびに光学的情報記録／再生装置
US7443778B2 (en) * 2003-02-27 2008-10-28 Matsushita Electric Industrial Co., Ltd. Optical head device and optical information device using the same, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server
KR100494475B1 (ko) * 2003-05-21 2005-06-10 삼성전기주식회사 광 픽업 및 이를 이용한 광 기록재생장치
JP2006164325A (ja) * 2004-12-02 2006-06-22 Memory Tec Kk 光ディスク、光ディスク装置、光ディスク再生方法、デジタル作品出版物

Also Published As

Publication number Publication date
EP1640982A2 (en) 2006-03-29
JP2006092702A (ja) 2006-04-06
CN100466078C (zh) 2009-03-04
EP1640982A3 (en) 2006-06-07
CN1755814A (zh) 2006-04-05
US7688702B2 (en) 2010-03-30
KR20060051131A (ko) 2006-05-19
US20060092820A1 (en) 2006-05-04

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